#!/bin/bash

# Pragram:
#    Check $1 is equal to "hello"
# History:
#    2015/08/25    wxb    First release

if [ "$1" == "hello" ]; then
    echo "Hello, how are you ?"
elif [ "$1" == "" ]; then
    echo "You MUST input parameters, ex> {$0 someword}"
else
    echo "The only parameter is 'hello', ex> {$0 hello}"
fi
